Finding the Fourth Proportional to 1,549,163,656, 2,323,744,064.21 and 485,594,153.11
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Solution
The fourth proportional to 1,549,163,656, 2,323,744,064.21 and 485,594,153.11 is: 728,390,784.62
Step by Step Solution
- Step 1: Write the proportion equation
1,549,163,656 : 2,323,744,064.21 = 485,594,153.11 : x - Step 2: Convert to fraction form
1,549,163,656/2,323,744,064.21 = 485,594,153.11/x - Step 3: Cross multiply
1,549,163,656x = 2,323,744,064.21 × 485,594,153.11 - Step 4: Simplify right side
1,549,163,656x = 1,128,396,530,904,444,416 - Step 5: Solve for x
x = 1,128,396,530,904,444,416/1,549,163,656 - Step 6: Final answer
x = 728,390,784.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.